Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[6.8,6.9[	6.85	3	0.041667	0.041667	0.416667
[6.9,7[	6.95	3	0.041667	0.083333	0.416667
[7,7.1[	7.05	2	0.027778	0.111111	0.277778
[7.1,7.2[	7.15	10	0.138889	0.25	1.388889
[7.2,7.3[	7.25	8	0.111111	0.361111	1.111111
[7.3,7.4[	7.35	4	0.055556	0.416667	0.555556
[7.4,7.5[	7.45	1	0.013889	0.430556	0.138889
[7.5,7.6[	7.55	1	0.013889	0.444444	0.138889
[7.6,7.7[	7.65	1	0.013889	0.458333	0.138889
[7.7,7.8[	7.75	3	0.041667	0.5	0.416667
[7.8,7.9[	7.85	2	0.027778	0.527778	0.277778
[7.9,8[	7.95	6	0.083333	0.611111	0.833333
[8,8.1[	8.05	7	0.097222	0.708333	0.972222
[8.1,8.2[	8.15	4	0.055556	0.763889	0.555556
[8.2,8.3[	8.25	3	0.041667	0.805556	0.416667
[8.3,8.4[	8.35	1	0.013889	0.819444	0.138889
[8.4,8.5[	8.45	3	0.041667	0.861111	0.416667
[8.5,8.6]	8.55	10	0.138889	1	1.388889